Util.h

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#ifndef __GCW_UTIL_H___
#define __GCW_UTIL_H___
 
#include <string>
#include <vector>
 
#include <Wt/WItemDelegate.h>
#include <Wt/WTemplate.h>
 
namespace GCW {
 
std::string makeFileName( const std::string & value );
 
/*!
** \brief Check if a File or Folder exists
**
**
*/
bool fileExists( const std::string & fileName );
 
/*!
** \brief Execute a system command
**
** This runs a command in the console and returns the result code.
**
*/
int system_command( const std::string & cmd, bool show = false );
 
/*!
** \brief File Listing
**
** This procedure will scan a folder and return a list of all the files
**  in it.
*/
std::vector<std::string> fileList( const std::string & folder );
 
/*!
** \brief Find File
**
** This scans a directory folder and returns a list containing
**  the full file-name of all the files that matche the value.
**
*/
std::vector<std::string> findFiles( const std::string & folder, const std::string & match );
 
/*!
** \brief Convert a String to an Integer
**
*/
int stoi( const std::string & value );
 
/*!
** \brief Convert an Integer to a String
**
*/
std::string itos( int value );
 
/*!
** \brief Convert a String to Float
**
*/
double stof( const std::string & value );
 
/*!
** \brief Convert a Float to String with decimal precision
**
*/
std::string ftos( double value, int decimals = 2 );
std::string ftos( double value, const std::string & suffix, int decimals = 2 );
std::string ftos( const std::string & prefix, double value, int decimals = 2 );
std::string ftom( double value, int decimals = 2 );
std::string ftom( const std::string & prefix, double value, int decimals = 2 );
 
/*!
** \brief Check if a string ends with another string
**
*/
bool ends_with( const std::string & value, const std::string & ending );
 
/*!
** \brief Append a string to string
**
** This will append a string to another string and place
**  a separator if there is already data in the lead string
**
*/
std::string append( const std::string & s, const std::string & append, const std::string & separator );
 
/*!
** \brief Prepend some number of characters in front of another string
**
** This procedure is often used to zero-pad a number, such that numbers
**  like 23 and 2005 and 10553 will always appear as 00023 and 02005
**  and 10553 respectively.
**
*/
std::string prepend( const std::string & s, int length = 0, char pad = '0' );
 
/*!
** \brief Upper Case a string
**
** this procedure converts a string to all upper case
*/
std::string ucase( const std::string & value );
 
/*!
** \brief Lower Case a string
**
** this procedure converts a string to all lower case
*/
std::string lcase( const std::string & value );
 
/*!
** \brief Round a number up
**
** This will round a number up
**
*/
int roundUp( float value );
 
/*!
** \brief Round a number down
**
** This will round a number down
**
*/
int roundDown( float value );
 
/*!
** \brief Round a number for Currency
**
** This will round a number up or down depending on the value
**  of the currency.  1.3999999 becomes 1.4
**
*/
float roundCurrency( float value );
 
/*!
** \brief Replace a String
**
** This will replace all occurrences of a substring within another string with some other string;
**
*/
std::string replace( const std::string & string, const std::string & before, const std::string & after );
 
void ltrim(std::string &s);
void rtrim(std::string &s);
void trim(std::string &s);
std::string ltrim_copy(std::string s);
std::string rtrim_copy(std::string s);
std::string trim_copy(std::string s);
 
std::vector<std::string> readCSVRow( const std::string & row );
 
/*!
** This compares two floating point numbers if they are equal
**
*/
bool feq( double a, double b, double epsilon = 0.005f, bool trace = false );
 
std::string to_string( Wt::WTemplate & templt );
std::string to_string( Wt::WTemplate * templt );
 
bool to_htmlfile( Wt::WTemplate & templt, const std::string & folderName, const std::string & fileName );
bool to_htmlfile( Wt::WTemplate * templt, const std::string & folderName, const std::string & fileName );
 
std::string hexDump( const std::string & data, int start = -1, int end = -1 );
 
typedef struct CharConv
{
  const char * symbol;
  const char * html;
  const char * utf8;
  const char * pdf;
  const char * description;
 
} CharConv_t;
 
extern const CharConv_t g_iso8859Conv[256];
 
} // endnamespace Wtx
 
#endif // #ifndef __WTX_UTIL_H___